Pentair EQ Series Hex Nut
As a retailer specializing in premium commercial pool and spa equipment, I’m pleased to offer this set of genuine Pentair brass hex nuts. These essential hardware components are designed for use with the Pentair EQ Series pump and motor systems.
Product Overview
The Pentair EQ Series Hex Nuts (part number 356776) are heavy-duty brass fasteners that provide a secure connection between pump and motor components. Whether you’re performing routine maintenance, replacing worn parts, or upgrading your equipment, these nuts ensure a tight, reliable fit to keep your system running at peak performance.
Sold in a convenient pack of 5, these hex nuts feature a 5/8″-11 thread size to perfectly match the Pentair EQ Series design. Their corrosion-resistant brass construction makes them an excellent choice for wet, outdoor environments common in commercial pool and spa applications.
Detailed Specifications
| Specification | Value |
|---|---|
| Part Number | 356776 |
| Material | Brass |
| Thread Size | 5/8″ – 11 |
| Quantity | 5 |
Exploded parts diagram: This part is shown as item #24 on the Pentair EQ Series Pump, w/Hair & Lint Strainer Option exploded parts diagram.
🔧 Pentair EQ Series Pump, w/Hair & Lint Strainer Option – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Pump, Pentair EQ-500, 5.0hp, 230V, 1ph, Without Pot, ODP |
| – | Pump, Pentair EQ-500, 5.0hp, 230V, 1ph, w/Pot |
| – | Pump, Pentair EQ-750, 7.5hp, 230V, 1ph, w/Pot |
| – | Pump, Pentair EQ-1000, 10.0hp, 230V, 1Ph, w/Pot |
| – | Pump, Pentair EQK-750, 7.5hp, 208-230V/460V, 3ph, w/Pot |
| – | Pump, Pentair EQKT-500,5.0hp,208-230V/460V,3ph,w/o Pot,TEFC |
| – | Pump, Pentair EQKT-500, 5.0hp, 208-230V/460V,3ph,w/Pot,TEFC |
| – | Pump, Pentair EQKT-750, 7.5hp, 208-230V/460V,3ph,w/Pot,TEFC |
| – | Pump, Pentair EQKT-1000,10.0hp,208-230V/460V,3ph,w/Pot,TEFC |
| – | Pump, Pentair EQKT-1500,15.0hp,208-230V/460V,3ph,w/Pot,TEFC |
| 37f | 34-110-W035K37F |
| 37e | 34-110-W035K37E |
| 37d | 34-110-W035K37D |
| 37c | 34-110-W035K37C |
| 37b | 34-110-W035K37B |
| 37a | 34-110-W035K37A |
| 36 | 34-110-W035K36 |
| 35 | Bolt,Pentair EQ,Hair & Lint Strainer,Hex,5/8"-11 x 1-3/4" |
| 34 | Body, Pentair EQ Series, Hair and Lint Strainer |
| 33 | Basket, Hair and Lint Strainer, OEM, Pentair EQ Series |
| 32 | 34-110-W035K32 |
| 31 | 34-110-W035K31 |
| 26 | 34-110-W035K26 |
| 30 | 34-110-W035K30 |
| 29 | 34-110-W035K29 |
| 28 | 34-110-W035K28 |
| 11 | 34-110-W035K11 |
| 27 | 34-110-W035K27 |
| 26 | O-Ring, Pentair IntelliFlo XF/EQ Series, Drain Plug, O-130 |
| 25 | Drain Plug, Pentair Sta-Rite SuperMax/EQ Series, 1/4" |
| 25 | Drain Plug, Filters/Pumps, w/O-Ring, 1/4", Blk, Generic |
| 25 | 34-110-W035K25 |
| 24 | Nut, Pentair EQ Series, Hex, 5/8" -11, Brass, qty 5 ◀ this part |
| 23 | 34-110-W035K23 |
| 22 | 34-110-W035K22 |
| 21 | 34-110-W035K21 |
| 20 | Washer, Pentair AmProd UltraFlow/EQ Series, Flat, 1/4" |
| 19 | 34-110-W035K19 |
| 18 | 34-110-W035K18 |
| 17 | 34-110-W035K17 |
| 16 | 34-110-W035K16 |
| 15 | 34-110-W035K15 |
| 14 | 34-110-W035K14 |
| 13 | 34-110-W035K13 |
| 12 | 34-110-W035K12 |
| 11 | Motor Adapter, Pentair EQ Series |
| 10 | Washer,Pentair EQ Ser,Strainer,Flat,5/8"id x 1-5/16"od,ss |
| 9 | Bolt,Pentair EQ Ser,Seal Plate,Hex Head,5/8"-11 x 6-1/2",ss |
| 8 | 34-110-W035K8 |
| 7 | 34-110-W035K7 |
| 6 | 35-110-3114 |
| 5 | 34-110-W035K5 |
| 4 | Strainer Housing, Pentair EQ Series |
| 3 | 34-110-W035K3 |
| 2 | 34-110-W035K2 |
| 1 | Complete Hair and Lint Strainer, Pentair EQ Series, 6" x 6" |
Key Features
- Genuine Pentair replacement hardware for EQ Series pumps and motors
- Heavy-duty brass construction for long-lasting durability
- Corrosion-resistant for use in wet, outdoor environments
- Precise 5/8″-11 thread size for a secure, perfect fit
- Includes 5 nuts per pack for convenient stocking and replacement
These Pentair EQ Series hex nuts are an essential component for maintaining and servicing your commercial pool or spa equipment. If you have any questions about compatibility or need assistance finding the right parts, please don’t hesitate to reach out. I’m here to help ensure you get the perfect hardware for your needs.




















